The theoretical model of multimodal dictionaries and their definitions within the framework of media convergence
Digitalization and media convergence have had a profound impact on foreign language learning and dictionary use,altering language teaching methods,representational elements and content,and the organization of lexicographical definitions.This study aims to serve the interests of second language acquisition and the pedagogy of multiliteracies.First,it outlines the problems of media-converged dictionaries and clarifies three relationships in the convergence mechanism of these dictionaries:the relationship between media convergence and lexicography,the relationship between multimodality and multimedia,and the relationship between media convergence and multimodality.In this context,five layers of multimodal convergence are addressed:the physical-perceptual,cognitive-sensory,mental-cognitive,logical-media,and physical-media layers.It then discusses the design concept of multimodal texts based on the theory of multimodal definitions,including user needs,design methodology,and the constitutive structure of multimodal texts.Finally,it focuses on the elaboration of the theoretical model of multimodal dictionary definition,including the functions of multimodal texts,the setting of multimodal elements,the patterns of multimodal definition,and the compilation of multimodal definition texts based on large language models and multimodal discourse analysis.